Home / 12,567.15-17,340.08-7,530.03

Finding the Fourth Proportional to 12,567.15, 17,340.08 and 7,530.03

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Solution

The fourth proportional to 12,567.15, 17,340.08 and 7,530.03 is: 10,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.15 : 17,340.08 = 7,530.03 : x
  2. Step 2: Convert to fraction form
    12,567.15/17,340.08 = 7,530.03/x
  3. Step 3: Cross multiply
    12,567.15x = 17,340.08 × 7,530.03
  4. Step 4: Simplify right side
    12,567.15x = 130,571,284.95
  5. Step 5: Solve for x
    x = 130,571,284.95/12,567.15
  6. Step 6: Final answer
    x = 10,389.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.